<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      var user = {
        name: "hyt",
        age: 18,
        gender: "male",
      };
      function deleteProperties(userObj, arr) {
        arr.forEach((element) => {
          delete userObj[element];
        });
      }

      deleteProperties(user, ["name", "age"]);
      console.log(user);
    </script>
  </body>
</html>
